document.write( "Question 164069: \"x%5E3+%2B+2x%5E2+-+9x+=+18\" \n" ); document.write( "
Algebra.Com's Answer #120935 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
\"x%5E3+%2B+2x%5E2+-+9x+=+18\"\r\n" );
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document.write( "\"x%5E3+%2B+2x%5E2+-+9x+-+18=0\"\r\n" );
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document.write( "Factor \"x%5E2\" out of the first two terms:\r\n" );
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document.write( "\"x%5E2%28x+%2B+2%29+-+9x+-+18=0\"\r\n" );
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document.write( "Factor \"-9\" out of the last two terms:\r\n" );
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document.write( "\"x%5E2%28x+%2B+2%29+-+9%28x+%2B2%29=0\"\r\n" );
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document.write( "Factor \"%28x%2B2%29\" out of each term:\r\n" );
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document.write( "\"%28x+%2B+2%29%28x%5E2+-+9%29=0\"\r\n" );
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document.write( "Factor the second parentheses as the difference of two squares:\r\n" );
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document.write( "\"%28x+%2B+2%29%28x-3%29%28x%2B3%29=0\"\r\n" );
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document.write( "Use the zero-factor principle:\r\n" );
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document.write( "   \r\n" );
document.write( "Edwin
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